PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

11309Rotor,pump

Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems · NSN 4320-00-335-9311 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-335-9311 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-335-9311. Primary manufacturer part number: 11309.
Features
  • Rotor,pump — FSC 4320
  • Material: STEEL
  • Outside Diameter: 0.920 INCHES NOMINAL IN
  • Rotor Design: SLOTTED
  • 3 verified cross-references
  • Primary manufacturer: Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
  • Applications requiring Steel construction
General Description

The Rotor,pump, cataloged under National Stock Number 4320-00-335-9311, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-00-335-9311
Primary Part Number11309
Item NameRotor,pump
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerStanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
StatusACTIVE
MaterialSTEEL
Outside Diameter0.920 INCHES NOMINAL IN
Rotor DesignSLOTTED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
2520-00-358-930711309 INTERCHANGEABLE
Shaft W Joints
Meritor Heavy Vehicle Systems, Llc
5950-00-440-0376 INTERCHANGEABLE
Transformer,power
3110-00-554-328810090 INTERCHANGEABLE
Bearing,ball,annular
Wausau Equipment Company Llc Dba Schmidt Engineering & Equipment Inc Div Wausau Equipment Llc
5330-01-021-1904 INTERCHANGEABLE
Seal,plain Encased
9150-01-085-2453011-00309 INTERCHANGEABLE
Lubricating Oil,hydraulic
Johnson Controls Navy Systems, Llc
4540-01-273-5778976315 INTERCHANGEABLE
Parts Kit,garbage Disposal
Somat Company
5340-01-496-056311309 INTERCHANGEABLE
Kit,doorstop
Bennett Industries, Inc
Cross-Reference Index
Part NumberManufacturer
304-2 Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems (USA)
368338R1 Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ (USA)
11309 PRIMARY Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems (USA)
Related Parts
2520-00-358-9307INTERCHANGEABLE
SHAFT W JOINTS
11309
5950-00-440-0376INTERCHANGEABLE
TRANSFORMER,POWER
3110-00-554-3288INTERCHANGEABLE
BEARING,BALL,ANNULAR
10090
5330-01-021-1904INTERCHANGEABLE
SEAL,PLAIN ENCASED
9150-01-085-2453INTERCHANGEABLE
LUBRICATING OIL,HYDRAULIC
011-00309
4540-01-273-5778INTERCHANGEABLE
PARTS KIT,GARBAGE DISPOSAL
976315
5340-01-496-0563INTERCHANGEABLE
KIT,DOORSTOP
11309

Frequently Asked Questions

What is NSN 4320-00-335-9311?

NSN 4320-00-335-9311 is a Rotor,pump, manufactured by Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-00-335-9311?

NSN 4320-00-335-9311 has 3 cross-referenced part numbers: 304-2 (Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems), 368338R1 (Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/), 11309 (Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems).

What NSN replaces 4320-00-335-9311?

There are 7 known substitutes for 4320-00-335-9311: 2520-00-358-9307, 5950-00-440-0376, 3110-00-554-3288 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 11309?

Key specifications for 11309: Material: STEEL; Special Features: ONE END 0.625-24 NS THD; O/A W 0.255 IN.; SLOTS 0.499 IN. DEEP 90 DEG APART ON OTHER END IN; Outside Diameter: 0.920 INCHES NOMINAL IN; End Item Identification: 3820-00-880-0540. 6 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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